/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jena.iri.impl;
%%


%unicode
%integer
%char
%implements org.apache.jena.iri.ViolationCodes
%implements org.apache.jena.iri.IRIComponents
%implements Lexer
%extends AbsLexer
%buffer 2048


%{
    
    
    private int lastChar;
    char[] zzBuffer() {
     yyreset(null);
    this.zzAtEOF = true;
    int length = parser.end(range)-parser.start(range);
    lastChar = length - 1;
    zzEndRead = length;
    while (length > zzBuffer.length)
        zzBuffer = new char[zzBuffer.length*2];
      return zzBuffer;
    }
    
%}

%class LexerPath
%%

// TODO path absolute

^([.][.][/])+ { rule(2); }

[:@] { rule(3); }

[/][.][.][/] { rule(4); error(NON_INITIAL_DOT_SEGMENT); }

[/][.][/] { rule(5); error(NON_INITIAL_DOT_SEGMENT); }

[/.] { rule(6); }

[/][.][.] { rule(7); if (yychar == lastChar-2)  error(NON_INITIAL_DOT_SEGMENT); }

[/][.] { rule(8); if (yychar == lastChar-1) error(NON_INITIAL_DOT_SEGMENT); }



